App turns back clock in Christchurch

CityViewAR is an "augmented reality" application designed by staff and students at Canterbury University's human interface technology laboratory to give people a visual reminder of how the city used to look.

Using an Android phone or an iPhone, people who download the free app are able to walk around the city and see life-sized virtual models of what buildings looked like before they were damaged and demolished.

They can also access pictures and written information about the buildings.

Hundreds of 3D models of key city buildings have been made available to the lab.

The Christchurch City Council and Historic Places Trust provided photographs and building histories.

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